./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:20:27,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:20:27,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:20:27,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:20:27,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:20:27,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:20:27,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:20:27,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:20:27,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:20:27,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:20:27,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:20:27,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:20:27,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:20:27,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:20:27,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:20:27,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:20:27,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:20:27,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:20:27,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:20:27,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:20:27,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:27,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:27,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:27,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:27,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:20:27,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:20:27,836 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:20:27,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:20:27,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:20:27,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:20:27,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:20:27,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:20:27,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:20:27,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:20:27,837 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-11-24 00:20:28,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:20:28,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:20:28,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:20:28,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:20:28,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:20:28,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:31,659 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/03ec4f492/14434b1172bf478da0db3833c1a09788/FLAG25a7fa5ce [2024-11-24 00:20:31,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:20:31,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:31,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/03ec4f492/14434b1172bf478da0db3833c1a09788/FLAG25a7fa5ce [2024-11-24 00:20:32,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/03ec4f492/14434b1172bf478da0db3833c1a09788 [2024-11-24 00:20:32,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:20:32,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:20:32,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:32,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:20:32,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:20:32,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343e97c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32, skipping insertion in model container [2024-11-24 00:20:32,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:20:32,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-24 00:20:32,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:32,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:20:32,585 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-24 00:20:32,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:32,648 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:20:32,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32 WrapperNode [2024-11-24 00:20:32,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:32,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:32,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:20:32,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:20:32,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,722 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-11-24 00:20:32,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:32,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:20:32,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:20:32,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:20:32,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,767 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-11-24 00:20:32,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,807 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:20:32,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:20:32,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:20:32,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:20:32,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (1/1) ... [2024-11-24 00:20:32,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:32,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:32,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:20:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:20:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 00:20:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 00:20:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 00:20:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 00:20:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 00:20:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 00:20:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:20:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 00:20:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 00:20:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 00:20:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:20:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:20:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:20:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:20:33,151 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:20:33,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:20:33,785 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-24 00:20:33,785 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:20:33,802 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:20:33,804 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:20:33,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:33 BoogieIcfgContainer [2024-11-24 00:20:33,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:20:33,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:20:33,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:20:33,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:20:33,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:20:32" (1/3) ... [2024-11-24 00:20:33,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b623d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:33, skipping insertion in model container [2024-11-24 00:20:33,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:32" (2/3) ... [2024-11-24 00:20:33,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b623d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:33, skipping insertion in model container [2024-11-24 00:20:33,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:33" (3/3) ... [2024-11-24 00:20:33,817 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:33,837 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:20:33,840 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-26.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:20:33,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:20:33,933 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63648f50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:20:33,935 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:20:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:33,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:33,953 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:33,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:33,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1509494359, now seen corresponding path program 1 times [2024-11-24 00:20:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:33,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715687678] [2024-11-24 00:20:33,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-24 00:20:34,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:20:34,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715687678] [2024-11-24 00:20:34,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715687678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:20:34,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875615722] [2024-11-24 00:20:34,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:34,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:34,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:20:34,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:20:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:34,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:20:34,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-24 00:20:34,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:34,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875615722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:34,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:20:34,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:20:34,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594181595] [2024-11-24 00:20:34,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:34,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:20:34,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:20:34,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:20:34,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:34,733 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:20:34,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:34,758 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-11-24 00:20:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:20:34,760 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-24 00:20:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:34,769 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:34,770 INFO L226 Difference]: Without dead ends: 89 [2024-11-24 00:20:34,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:34,776 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:34,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:20:34,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-24 00:20:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-24 00:20:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-24 00:20:34,824 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-11-24 00:20:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:34,824 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-24 00:20:34,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:20:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-24 00:20:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:34,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:34,829 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:34,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:20:35,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:20:35,030 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:35,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:35,030 INFO L85 PathProgramCache]: Analyzing trace with hash 359888411, now seen corresponding path program 1 times [2024-11-24 00:20:35,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:35,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407937567] [2024-11-24 00:20:35,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:35,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:35,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:20:35,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407937567] [2024-11-24 00:20:35,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407937567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:35,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:35,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:20:35,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230159210] [2024-11-24 00:20:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:35,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:20:35,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:20:35,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:20:35,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:20:35,468 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:35,519 INFO L93 Difference]: Finished difference Result 178 states and 255 transitions. [2024-11-24 00:20:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:20:35,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-24 00:20:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:35,525 INFO L225 Difference]: With dead ends: 178 [2024-11-24 00:20:35,525 INFO L226 Difference]: Without dead ends: 92 [2024-11-24 00:20:35,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:20:35,529 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:35,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 363 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:20:35,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-24 00:20:35,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-11-24 00:20:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-24 00:20:35,545 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 89 [2024-11-24 00:20:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:35,547 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-24 00:20:35,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-24 00:20:35,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:35,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:35,553 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:35,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:20:35,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:35,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash 361735453, now seen corresponding path program 1 times [2024-11-24 00:20:35,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:35,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702306797] [2024-11-24 00:20:35,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:35,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:36,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:20:36,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702306797] [2024-11-24 00:20:36,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702306797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:36,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:36,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:36,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548428350] [2024-11-24 00:20:36,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:36,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:20:36,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:36,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:36,058 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:36,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:36,210 INFO L93 Difference]: Finished difference Result 179 states and 255 transitions. [2024-11-24 00:20:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:36,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-24 00:20:36,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:36,213 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:36,215 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:20:36,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:36,216 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:36,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:20:36,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:20:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 00:20:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2024-11-24 00:20:36,234 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 89 [2024-11-24 00:20:36,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:36,234 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2024-11-24 00:20:36,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2024-11-24 00:20:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:36,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:36,236 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:36,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:20:36,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:36,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash -455912997, now seen corresponding path program 1 times [2024-11-24 00:20:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:20:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007498205] [2024-11-24 00:20:36,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:20:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:20:36,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079489844] [2024-11-24 00:20:36,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:36,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:36,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:36,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:20:36,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:20:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:20:37,023 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:20:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:20:37,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:20:37,316 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:20:37,318 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:20:37,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:37,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:20:37,523 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 00:20:37,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:20:37,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:20:37 BoogieIcfgContainer [2024-11-24 00:20:37,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:20:37,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:20:37,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:20:37,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:20:37,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:33" (3/4) ... [2024-11-24 00:20:37,622 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:20:37,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:20:37,625 INFO L158 Benchmark]: Toolchain (without parser) took 5387.57ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 70.4MB in the end (delta: 45.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-24 00:20:37,626 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:37,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 100.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:20:37,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.70ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 96.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:37,628 INFO L158 Benchmark]: Boogie Preprocessor took 117.14ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 91.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:37,630 INFO L158 Benchmark]: RCFGBuilder took 964.34ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 57.2MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:20:37,631 INFO L158 Benchmark]: TraceAbstraction took 3809.51ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 71.6MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:37,631 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:20:37,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 100.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.70ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 96.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 117.14ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 91.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 964.34ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 57.2MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3809.51ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 71.6MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 64; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] isInitial = 1 [L81] FCALL initially() [L83] CALL updateLastVariables() [L73] EXPR unsigned_char_Array_0[1] [L73] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L83] RET updateLastVariables() [L84] CALL updateVariables() [L57] float_Array_0[0][1] = __VERIFIER_nondet_float() [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] float_Array_0[1][1] = __VERIFIER_nondet_float() [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] CALL assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] RET assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L61] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L62] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] RET assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L65] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L66] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET updateVariables() [L85] CALL step() [L41] EXPR float_Array_0[0][1] [L41] EXPR float_Array_0[1][1] [L41] float_Array_0[1][0] = ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]) [L42] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L42] COND TRUE (- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4)))) [L43] EXPR unsigned_char_Array_0[0] [L43] unsigned_char_Array_0[1] = unsigned_char_Array_0[0] [L45] EXPR float_Array_0[0][1] [L45] float_Array_0[0][0] = float_Array_0[0][1] [L46] EXPR float_Array_0[0][0] [L46] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L46] COND TRUE float_Array_0[0][0] > float_Array_0[0][0] [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] signed_short_int_Array_0[1] = ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_short_int_Array_0[1] [L51] signed long int stepLocal_0 = unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1]); [L52] EXPR unsigned_char_Array_0[1] [L52] EXPR signed_short_int_Array_0[1] [L52] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L52] COND FALSE !(stepLocal_0 != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) [L85] RET step() [L86] CALL, EXPR property() [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) [L76] EXPR signed_short_int_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) [L76] EXPR float_Array_0[1][0] [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[1][1] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76-L77] return (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 376 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 560/576 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:20:37,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:20:40,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:20:40,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:20:40,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:20:40,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:20:40,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:20:40,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:20:40,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:20:40,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:20:40,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:20:40,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:20:40,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:20:40,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:20:40,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:20:40,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:20:40,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:20:40,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:20:40,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:20:40,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:20:40,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:40,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:40,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:40,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:20:40,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:20:40,542 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-11-24 00:20:40,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:20:40,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:20:40,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:20:40,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:20:40,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:20:40,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:44,176 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/a118b7318/7906d4fd2f31422a9c32a67e45e9f325/FLAG022589b2d [2024-11-24 00:20:44,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:20:44,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:44,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/a118b7318/7906d4fd2f31422a9c32a67e45e9f325/FLAG022589b2d [2024-11-24 00:20:44,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/data/a118b7318/7906d4fd2f31422a9c32a67e45e9f325 [2024-11-24 00:20:44,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:20:44,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:20:44,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:44,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:20:44,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:20:44,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:44,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4529700b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44, skipping insertion in model container [2024-11-24 00:20:44,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:44,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:20:44,730 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-24 00:20:44,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:44,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:20:44,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-24 00:20:44,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:20:44,958 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:20:44,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44 WrapperNode [2024-11-24 00:20:44,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:20:44,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:44,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:20:44,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:20:44,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:44,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,029 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-11-24 00:20:45,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:20:45,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:20:45,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:20:45,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:20:45,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,110 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-11-24 00:20:45,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:20:45,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:20:45,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:20:45,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:20:45,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (1/1) ... [2024-11-24 00:20:45,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:20:45,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:20:45,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:20:45,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:20:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:20:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:20:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:20:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 00:20:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 00:20:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 00:20:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 00:20:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 00:20:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:20:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:20:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:20:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 00:20:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 00:20:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 00:20:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 00:20:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 00:20:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:20:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 00:20:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:20:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:20:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 00:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 00:20:45,495 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:20:45,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:20:47,593 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-24 00:20:47,594 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:20:47,605 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:20:47,605 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:20:47,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:47 BoogieIcfgContainer [2024-11-24 00:20:47,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:20:47,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:20:47,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:20:47,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:20:47,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:20:44" (1/3) ... [2024-11-24 00:20:47,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52da9bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:47, skipping insertion in model container [2024-11-24 00:20:47,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:20:44" (2/3) ... [2024-11-24 00:20:47,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52da9bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:20:47, skipping insertion in model container [2024-11-24 00:20:47,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:20:47" (3/3) ... [2024-11-24 00:20:47,617 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-11-24 00:20:47,635 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:20:47,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-26.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:20:47,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:20:47,720 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54e4e665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:20:47,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:20:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:47,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:47,740 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:47,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:47,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:47,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1509494359, now seen corresponding path program 1 times [2024-11-24 00:20:47,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:47,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193325065] [2024-11-24 00:20:47,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:47,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:20:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:48,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:20:48,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-24 00:20:48,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:48,316 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:48,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193325065] [2024-11-24 00:20:48,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193325065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:48,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:48,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:20:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102458893] [2024-11-24 00:20:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:48,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:20:48,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:48,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:20:48,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:48,343 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:48,369 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-11-24 00:20:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:20:48,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-24 00:20:48,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:48,376 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:48,377 INFO L226 Difference]: Without dead ends: 89 [2024-11-24 00:20:48,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:20:48,382 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:48,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:20:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-24 00:20:48,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-24 00:20:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-24 00:20:48,434 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-11-24 00:20:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:48,435 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-24 00:20:48,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-24 00:20:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:48,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:48,442 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:48,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:20:48,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:48,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:48,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:48,645 INFO L85 PathProgramCache]: Analyzing trace with hash 359888411, now seen corresponding path program 1 times [2024-11-24 00:20:48,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:48,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996890813] [2024-11-24 00:20:48,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:48,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:48,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:48,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:48,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:20:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:49,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:20:49,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:49,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:49,250 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:49,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996890813] [2024-11-24 00:20:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996890813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:49,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:49,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:20:49,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874067788] [2024-11-24 00:20:49,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:49,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:20:49,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:49,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:20:49,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:20:49,256 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:49,359 INFO L93 Difference]: Finished difference Result 180 states and 258 transitions. [2024-11-24 00:20:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:20:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-24 00:20:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:49,361 INFO L225 Difference]: With dead ends: 180 [2024-11-24 00:20:49,361 INFO L226 Difference]: Without dead ends: 94 [2024-11-24 00:20:49,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:20:49,362 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:49,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 475 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:20:49,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-24 00:20:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-24 00:20:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2024-11-24 00:20:49,373 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 89 [2024-11-24 00:20:49,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:49,374 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2024-11-24 00:20:49,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2024-11-24 00:20:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 00:20:49,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:49,376 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:49,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:20:49,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:49,577 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:49,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash 361735453, now seen corresponding path program 1 times [2024-11-24 00:20:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:49,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944753521] [2024-11-24 00:20:49,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:49,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:49,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:49,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:20:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:50,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:20:50,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:50,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-24 00:20:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:50,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:50,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:50,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944753521] [2024-11-24 00:20:50,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944753521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:50,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:50,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:20:50,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888844261] [2024-11-24 00:20:50,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:50,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:20:50,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:50,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:20:50,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:20:50,338 INFO L87 Difference]: Start difference. First operand 93 states and 131 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:51,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:51,545 INFO L93 Difference]: Finished difference Result 184 states and 260 transitions. [2024-11-24 00:20:51,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:20:51,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-24 00:20:51,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:51,547 INFO L225 Difference]: With dead ends: 184 [2024-11-24 00:20:51,547 INFO L226 Difference]: Without dead ends: 94 [2024-11-24 00:20:51,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:20:51,549 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 121 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:51,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 434 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:20:51,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-24 00:20:51,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-24 00:20:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:51,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-11-24 00:20:51,562 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 89 [2024-11-24 00:20:51,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:51,562 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-11-24 00:20:51,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-24 00:20:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:20:51,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:51,564 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:51,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:51,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:51,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:51,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1492377065, now seen corresponding path program 1 times [2024-11-24 00:20:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:51,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673138807] [2024-11-24 00:20:51,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:51,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:51,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:51,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:51,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:20:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:52,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:20:52,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:52,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 00:20:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:52,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:52,369 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:52,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673138807] [2024-11-24 00:20:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673138807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:52,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:52,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:52,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075735199] [2024-11-24 00:20:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:52,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:52,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:52,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:52,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:52,375 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:52,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:52,870 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2024-11-24 00:20:52,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:52,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-11-24 00:20:52,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:52,873 INFO L225 Difference]: With dead ends: 183 [2024-11-24 00:20:52,873 INFO L226 Difference]: Without dead ends: 93 [2024-11-24 00:20:52,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:52,874 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:52,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:20:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-24 00:20:52,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-24 00:20:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 129 transitions. [2024-11-24 00:20:52,883 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 129 transitions. Word has length 91 [2024-11-24 00:20:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:52,884 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 129 transitions. [2024-11-24 00:20:52,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-11-24 00:20:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:20:52,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:52,886 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:52,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 00:20:53,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:53,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:53,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1984941781, now seen corresponding path program 1 times [2024-11-24 00:20:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:53,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976339513] [2024-11-24 00:20:53,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:53,092 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:53,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 00:20:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:53,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:20:53,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:53,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-24 00:20:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:53,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:53,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976339513] [2024-11-24 00:20:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976339513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:53,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:53,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517366703] [2024-11-24 00:20:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:53,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:53,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:53,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:53,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:53,643 INFO L87 Difference]: Start difference. First operand 93 states and 129 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:53,997 INFO L93 Difference]: Finished difference Result 181 states and 253 transitions. [2024-11-24 00:20:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:53,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-11-24 00:20:53,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:53,999 INFO L225 Difference]: With dead ends: 181 [2024-11-24 00:20:54,000 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:20:54,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:54,003 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:54,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:20:54,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:20:54,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 00:20:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2024-11-24 00:20:54,019 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 91 [2024-11-24 00:20:54,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:54,019 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2024-11-24 00:20:54,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2024-11-24 00:20:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:20:54,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:54,024 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:54,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:54,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:54,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:54,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1660065302, now seen corresponding path program 1 times [2024-11-24 00:20:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:54,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232964272] [2024-11-24 00:20:54,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:54,228 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:54,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-24 00:20:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:54,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 00:20:54,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:54,807 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:54,807 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:54,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232964272] [2024-11-24 00:20:54,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232964272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:54,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:54,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:54,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851550241] [2024-11-24 00:20:54,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:54,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:54,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:54,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:54,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:54,809 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:55,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:55,699 INFO L93 Difference]: Finished difference Result 179 states and 249 transitions. [2024-11-24 00:20:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:55,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:20:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:55,701 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:55,702 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:20:55,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:55,703 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:55,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:20:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:20:55,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 00:20:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2024-11-24 00:20:55,711 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 96 [2024-11-24 00:20:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:55,712 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2024-11-24 00:20:55,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2024-11-24 00:20:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:20:55,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:55,714 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:55,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:55,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:55,915 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:55,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1800613912, now seen corresponding path program 1 times [2024-11-24 00:20:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:55,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273214351] [2024-11-24 00:20:55,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:55,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:55,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:55,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-24 00:20:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:56,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 00:20:56,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:56,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:56,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:56,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273214351] [2024-11-24 00:20:56,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273214351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:56,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:56,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:56,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750265608] [2024-11-24 00:20:56,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:56,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:56,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:56,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:56,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:56,398 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:56,997 INFO L93 Difference]: Finished difference Result 179 states and 247 transitions. [2024-11-24 00:20:56,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:56,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:20:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:56,999 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:56,999 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:20:57,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:57,000 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:57,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:20:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:20:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 00:20:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.325) internal successors, (106), 80 states have internal predecessors, (106), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 124 transitions. [2024-11-24 00:20:57,008 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 124 transitions. Word has length 96 [2024-11-24 00:20:57,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:57,008 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 124 transitions. [2024-11-24 00:20:57,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2024-11-24 00:20:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:20:57,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:57,010 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:57,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:20:57,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:57,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:57,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:57,211 INFO L85 PathProgramCache]: Analyzing trace with hash -4824422, now seen corresponding path program 1 times [2024-11-24 00:20:57,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:57,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887139698] [2024-11-24 00:20:57,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:57,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:57,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 00:20:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:57,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 00:20:57,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:20:57,800 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:20:57,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:20:57,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887139698] [2024-11-24 00:20:57,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887139698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:20:57,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:20:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:20:57,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648352888] [2024-11-24 00:20:57,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:20:57,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:20:57,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:20:57,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:20:57,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:57,801 INFO L87 Difference]: Start difference. First operand 91 states and 124 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:20:58,560 INFO L93 Difference]: Finished difference Result 179 states and 245 transitions. [2024-11-24 00:20:58,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:20:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:20:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:20:58,563 INFO L225 Difference]: With dead ends: 179 [2024-11-24 00:20:58,563 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 00:20:58,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:20:58,566 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:20:58,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:20:58,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 00:20:58,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 00:20:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3125) internal successors, (105), 80 states have internal predecessors, (105), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:20:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2024-11-24 00:20:58,581 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 96 [2024-11-24 00:20:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:20:58,582 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2024-11-24 00:20:58,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:20:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2024-11-24 00:20:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:20:58,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:20:58,585 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:20:58,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-24 00:20:58,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:58,786 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:20:58,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:20:58,787 INFO L85 PathProgramCache]: Analyzing trace with hash 417877404, now seen corresponding path program 1 times [2024-11-24 00:20:58,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:20:58,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811339837] [2024-11-24 00:20:58,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:20:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:20:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:20:58,790 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:20:58,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-24 00:20:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:20:59,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:20:59,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:20:59,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-24 00:20:59,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-24 00:21:00,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 33 [2024-11-24 00:21:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:21:00,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:21:00,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:21:00,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811339837] [2024-11-24 00:21:00,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811339837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:21:00,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:21:00,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:21:00,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802842642] [2024-11-24 00:21:00,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:21:00,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:21:00,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:21:00,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:21:00,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:21:00,298 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:21:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:21:04,620 INFO L93 Difference]: Finished difference Result 270 states and 366 transitions. [2024-11-24 00:21:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 00:21:04,622 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:21:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:21:04,623 INFO L225 Difference]: With dead ends: 270 [2024-11-24 00:21:04,623 INFO L226 Difference]: Without dead ends: 182 [2024-11-24 00:21:04,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:21:04,625 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 111 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:21:04,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1163 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-24 00:21:04,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-24 00:21:04,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 175. [2024-11-24 00:21:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 154 states have (on average 1.3116883116883118) internal successors, (202), 154 states have internal predecessors, (202), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:21:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2024-11-24 00:21:04,643 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 96 [2024-11-24 00:21:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:21:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2024-11-24 00:21:04,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:21:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2024-11-24 00:21:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:21:04,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:21:04,645 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:21:04,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:21:04,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:21:04,846 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:21:04,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:21:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1118941982, now seen corresponding path program 1 times [2024-11-24 00:21:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:21:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874381906] [2024-11-24 00:21:04,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:21:04,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:21:04,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:21:04,848 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:21:04,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 00:21:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:21:05,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 00:21:05,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:21:06,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-24 00:21:06,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-24 00:21:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:21:06,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:21:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:21:25,625 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:21:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874381906] [2024-11-24 00:21:25,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874381906] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:21:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:21:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2024-11-24 00:21:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553259143] [2024-11-24 00:21:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:21:25,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:21:25,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:21:25,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:21:25,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:21:25,628 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:21:48,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:21:57,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:22:18,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:22:35,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:22:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:51,037 INFO L93 Difference]: Finished difference Result 457 states and 615 transitions. [2024-11-24 00:22:51,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:22:51,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:22:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:51,045 INFO L225 Difference]: With dead ends: 457 [2024-11-24 00:22:51,045 INFO L226 Difference]: Without dead ends: 281 [2024-11-24 00:22:51,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 39.4s TimeCoverageRelationStatistics Valid=143, Invalid=1047, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 00:22:51,049 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 264 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:51,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1454 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 63.3s Time] [2024-11-24 00:22:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-24 00:22:51,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 264. [2024-11-24 00:22:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 229 states have (on average 1.3100436681222707) internal successors, (300), 231 states have internal predecessors, (300), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:22:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 358 transitions. [2024-11-24 00:22:51,108 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 358 transitions. Word has length 96 [2024-11-24 00:22:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:51,109 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 358 transitions. [2024-11-24 00:22:51,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 358 transitions. [2024-11-24 00:22:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:22:51,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:51,111 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:51,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-24 00:22:51,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:51,311 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:51,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:51,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1350245649, now seen corresponding path program 1 times [2024-11-24 00:22:51,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:22:51,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682205746] [2024-11-24 00:22:51,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:51,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:22:51,314 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:22:51,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-24 00:22:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:51,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:22:51,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:51,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 00:22:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:22:51,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:51,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:22:51,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682205746] [2024-11-24 00:22:51,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682205746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:51,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:51,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:22:51,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115066332] [2024-11-24 00:22:51,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:51,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:22:51,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:22:51,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:22:51,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:51,897 INFO L87 Difference]: Start difference. First operand 264 states and 358 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:52,578 INFO L93 Difference]: Finished difference Result 506 states and 688 transitions. [2024-11-24 00:22:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:22:52,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:22:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:52,582 INFO L225 Difference]: With dead ends: 506 [2024-11-24 00:22:52,583 INFO L226 Difference]: Without dead ends: 264 [2024-11-24 00:22:52,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:52,584 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:52,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:22:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-24 00:22:52,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-24 00:22:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 229 states have (on average 1.3056768558951966) internal successors, (299), 231 states have internal predecessors, (299), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:22:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 357 transitions. [2024-11-24 00:22:52,618 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 357 transitions. Word has length 96 [2024-11-24 00:22:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:52,619 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 357 transitions. [2024-11-24 00:22:52,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 357 transitions. [2024-11-24 00:22:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:22:52,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:52,626 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:52,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-24 00:22:52,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:52,827 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1772947475, now seen corresponding path program 1 times [2024-11-24 00:22:52,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:22:52,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97605118] [2024-11-24 00:22:52,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:52,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:52,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:22:52,830 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:22:52,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-24 00:22:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:53,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:22:53,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:53,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-24 00:22:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:22:53,412 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:53,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:22:53,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97605118] [2024-11-24 00:22:53,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97605118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:53,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:53,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:22:53,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246409639] [2024-11-24 00:22:53,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:53,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:22:53,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:22:53,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:22:53,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:53,414 INFO L87 Difference]: Start difference. First operand 264 states and 357 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:53,484 INFO L93 Difference]: Finished difference Result 500 states and 678 transitions. [2024-11-24 00:22:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:22:53,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:22:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:53,489 INFO L225 Difference]: With dead ends: 500 [2024-11-24 00:22:53,489 INFO L226 Difference]: Without dead ends: 258 [2024-11-24 00:22:53,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:53,491 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:53,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-24 00:22:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-24 00:22:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.295964125560538) internal successors, (289), 225 states have internal predecessors, (289), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:22:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 347 transitions. [2024-11-24 00:22:53,541 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 347 transitions. Word has length 96 [2024-11-24 00:22:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:53,541 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 347 transitions. [2024-11-24 00:22:53,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 347 transitions. [2024-11-24 00:22:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:22:53,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:53,543 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:53,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-24 00:22:53,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:53,744 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:53,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:53,744 INFO L85 PathProgramCache]: Analyzing trace with hash -504557523, now seen corresponding path program 1 times [2024-11-24 00:22:53,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:22:53,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393111650] [2024-11-24 00:22:53,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:53,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:22:53,747 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:22:53,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-24 00:22:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:54,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:22:54,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:54,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 00:22:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:22:54,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:54,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:22:54,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393111650] [2024-11-24 00:22:54,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393111650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:54,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:54,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:22:54,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107159771] [2024-11-24 00:22:54,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:54,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:22:54,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:22:54,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:22:54,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:54,466 INFO L87 Difference]: Start difference. First operand 258 states and 347 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:54,551 INFO L93 Difference]: Finished difference Result 494 states and 666 transitions. [2024-11-24 00:22:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:22:54,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:22:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:54,554 INFO L225 Difference]: With dead ends: 494 [2024-11-24 00:22:54,554 INFO L226 Difference]: Without dead ends: 258 [2024-11-24 00:22:54,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:54,555 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:54,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:22:54,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-24 00:22:54,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-24 00:22:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.2825112107623318) internal successors, (286), 225 states have internal predecessors, (286), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:22:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 344 transitions. [2024-11-24 00:22:54,584 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 344 transitions. Word has length 101 [2024-11-24 00:22:54,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:54,584 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 344 transitions. [2024-11-24 00:22:54,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 344 transitions. [2024-11-24 00:22:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:22:54,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:54,586 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:54,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-24 00:22:54,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:54,787 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:54,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2101466031, now seen corresponding path program 1 times [2024-11-24 00:22:54,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:22:54,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286023520] [2024-11-24 00:22:54,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:54,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:22:54,792 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:22:54,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-24 00:22:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:55,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:22:55,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:55,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 00:22:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:22:55,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:22:55,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:22:55,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286023520] [2024-11-24 00:22:55,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286023520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:22:55,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:22:55,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:22:55,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17456331] [2024-11-24 00:22:55,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:22:55,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:22:55,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:22:55,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:22:55,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:55,437 INFO L87 Difference]: Start difference. First operand 258 states and 344 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:55,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:22:55,502 INFO L93 Difference]: Finished difference Result 494 states and 660 transitions. [2024-11-24 00:22:55,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:22:55,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:22:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:22:55,506 INFO L225 Difference]: With dead ends: 494 [2024-11-24 00:22:55,506 INFO L226 Difference]: Without dead ends: 258 [2024-11-24 00:22:55,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:22:55,508 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:22:55,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:22:55,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-24 00:22:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-24 00:22:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 223 states have (on average 1.2690582959641257) internal successors, (283), 225 states have internal predecessors, (283), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:22:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 341 transitions. [2024-11-24 00:22:55,536 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 341 transitions. Word has length 101 [2024-11-24 00:22:55,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:22:55,537 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 341 transitions. [2024-11-24 00:22:55,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:22:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 341 transitions. [2024-11-24 00:22:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:22:55,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:22:55,538 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:22:55,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-24 00:22:55,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:55,739 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:22:55,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:22:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 821602353, now seen corresponding path program 1 times [2024-11-24 00:22:55,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:22:55,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511994031] [2024-11-24 00:22:55,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:22:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:22:55,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:22:55,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:22:55,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-24 00:22:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:22:56,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 00:22:56,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:22:57,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-24 00:22:58,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-24 00:22:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:22:58,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:23:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:23:29,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:23:29,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511994031] [2024-11-24 00:23:29,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511994031] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:23:29,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:23:29,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-11-24 00:23:29,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914907827] [2024-11-24 00:23:29,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:23:29,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:23:29,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:23:29,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:23:29,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2024-11-24 00:23:29,997 INFO L87 Difference]: Start difference. First operand 258 states and 341 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:23:39,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:24:02,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:25:52,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:52,877 INFO L93 Difference]: Finished difference Result 546 states and 714 transitions. [2024-11-24 00:25:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-24 00:25:52,889 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:25:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:52,891 INFO L225 Difference]: With dead ends: 546 [2024-11-24 00:25:52,891 INFO L226 Difference]: Without dead ends: 310 [2024-11-24 00:25:52,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 110.2s TimeCoverageRelationStatistics Valid=348, Invalid=2097, Unknown=5, NotChecked=0, Total=2450 [2024-11-24 00:25:52,893 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 486 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 121 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:52,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 799 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 995 Invalid, 1 Unknown, 0 Unchecked, 62.1s Time] [2024-11-24 00:25:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-24 00:25:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 279. [2024-11-24 00:25:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 236 states have (on average 1.2542372881355932) internal successors, (296), 238 states have internal predecessors, (296), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:25:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 368 transitions. [2024-11-24 00:25:52,946 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 368 transitions. Word has length 101 [2024-11-24 00:25:52,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:52,947 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 368 transitions. [2024-11-24 00:25:52,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:25:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 368 transitions. [2024-11-24 00:25:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:25:52,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:52,949 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:52,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-24 00:25:53,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:25:53,150 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:25:53,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:25:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1522666931, now seen corresponding path program 1 times [2024-11-24 00:25:53,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:25:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076252693] [2024-11-24 00:25:53,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:25:53,151 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:25:53,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:25:53,153 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:25:53,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-24 00:25:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:25:53,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:25:53,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:25:53,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-24 00:25:53,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-24 00:25:53,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-24 00:25:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:25:54,353 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:25:54,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:25:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076252693] [2024-11-24 00:25:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076252693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:25:54,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:25:54,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:25:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852487815] [2024-11-24 00:25:54,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:25:54,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:25:54,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:25:54,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:25:54,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:25:54,355 INFO L87 Difference]: Start difference. First operand 279 states and 368 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:25:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:25:59,872 INFO L93 Difference]: Finished difference Result 535 states and 702 transitions. [2024-11-24 00:25:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:25:59,873 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:25:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:25:59,876 INFO L225 Difference]: With dead ends: 535 [2024-11-24 00:25:59,876 INFO L226 Difference]: Without dead ends: 291 [2024-11-24 00:25:59,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:25:59,879 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:25:59,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 854 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:25:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-24 00:25:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 277. [2024-11-24 00:25:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 234 states have (on average 1.2521367521367521) internal successors, (293), 236 states have internal predecessors, (293), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:25:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 365 transitions. [2024-11-24 00:25:59,928 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 365 transitions. Word has length 101 [2024-11-24 00:25:59,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:25:59,929 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 365 transitions. [2024-11-24 00:25:59,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:25:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 365 transitions. [2024-11-24 00:25:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:25:59,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:25:59,931 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:25:59,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:26:00,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:00,131 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:00,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:00,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2065337498, now seen corresponding path program 1 times [2024-11-24 00:26:00,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:26:00,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591552417] [2024-11-24 00:26:00,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:00,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:00,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:26:00,135 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:26:00,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-24 00:26:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:00,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:26:00,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:26:00,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-24 00:26:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:26:00,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:26:00,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:26:00,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591552417] [2024-11-24 00:26:00,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591552417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:00,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:00,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:26:00,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92473121] [2024-11-24 00:26:00,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:00,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:00,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:26:00,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:00,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:00,683 INFO L87 Difference]: Start difference. First operand 277 states and 365 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:00,788 INFO L93 Difference]: Finished difference Result 514 states and 678 transitions. [2024-11-24 00:26:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:00,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:26:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:00,791 INFO L225 Difference]: With dead ends: 514 [2024-11-24 00:26:00,792 INFO L226 Difference]: Without dead ends: 277 [2024-11-24 00:26:00,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:00,793 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:00,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:26:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-24 00:26:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-24 00:26:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 234 states have (on average 1.2393162393162394) internal successors, (290), 236 states have internal predecessors, (290), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:26:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 362 transitions. [2024-11-24 00:26:00,831 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 362 transitions. Word has length 101 [2024-11-24 00:26:00,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:00,831 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 362 transitions. [2024-11-24 00:26:00,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 362 transitions. [2024-11-24 00:26:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:26:00,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:00,833 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:00,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-24 00:26:01,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:01,034 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:01,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:01,035 INFO L85 PathProgramCache]: Analyzing trace with hash 949766120, now seen corresponding path program 1 times [2024-11-24 00:26:01,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:26:01,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355570077] [2024-11-24 00:26:01,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:01,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:26:01,038 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:26:01,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-24 00:26:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:01,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 00:26:01,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:26:02,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-24 00:26:02,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-24 00:26:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:26:03,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:26:03,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:26:03,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355570077] [2024-11-24 00:26:03,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355570077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:03,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:03,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:26:03,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483312277] [2024-11-24 00:26:03,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:03,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:26:03,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:26:03,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:26:03,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:26:03,057 INFO L87 Difference]: Start difference. First operand 277 states and 362 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:08,423 INFO L93 Difference]: Finished difference Result 456 states and 591 transitions. [2024-11-24 00:26:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:26:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:26:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:08,426 INFO L225 Difference]: With dead ends: 456 [2024-11-24 00:26:08,426 INFO L226 Difference]: Without dead ends: 213 [2024-11-24 00:26:08,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:26:08,428 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 94 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:08,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1081 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:26:08,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-24 00:26:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 208. [2024-11-24 00:26:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 175 states have (on average 1.2228571428571429) internal successors, (214), 176 states have internal predecessors, (214), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:26:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 268 transitions. [2024-11-24 00:26:08,459 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 268 transitions. Word has length 101 [2024-11-24 00:26:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:08,460 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 268 transitions. [2024-11-24 00:26:08,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2024-11-24 00:26:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:26:08,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:08,461 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:08,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-24 00:26:08,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:08,661 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:08,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:08,662 INFO L85 PathProgramCache]: Analyzing trace with hash -349642726, now seen corresponding path program 1 times [2024-11-24 00:26:08,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:26:08,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062484329] [2024-11-24 00:26:08,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:08,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:26:08,664 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:26:08,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-24 00:26:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:09,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-24 00:26:09,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:26:09,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-24 00:26:10,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-24 00:26:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:26:10,965 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:26:10,965 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:26:10,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062484329] [2024-11-24 00:26:10,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062484329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:10,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:26:10,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034130835] [2024-11-24 00:26:10,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:10,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:26:10,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:26:10,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:26:10,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:26:10,967 INFO L87 Difference]: Start difference. First operand 208 states and 268 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:16,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:26:16,883 INFO L93 Difference]: Finished difference Result 388 states and 497 transitions. [2024-11-24 00:26:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:26:16,884 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:26:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:26:16,886 INFO L225 Difference]: With dead ends: 388 [2024-11-24 00:26:16,886 INFO L226 Difference]: Without dead ends: 220 [2024-11-24 00:26:16,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:26:16,888 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 95 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:26:16,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 917 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:26:16,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-24 00:26:16,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 215. [2024-11-24 00:26:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 182 states have internal predecessors, (221), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:26:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 275 transitions. [2024-11-24 00:26:16,922 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 275 transitions. Word has length 101 [2024-11-24 00:26:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:26:16,922 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 275 transitions. [2024-11-24 00:26:16,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:26:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 275 transitions. [2024-11-24 00:26:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:26:16,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:26:16,924 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:16,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-24 00:26:17,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:17,124 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:26:17,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash -221478959, now seen corresponding path program 1 times [2024-11-24 00:26:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:26:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464955384] [2024-11-24 00:26:17,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:17,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:26:17,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:26:17,127 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:26:17,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319aea01-f992-48dd-94dc-8927641d9fe0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process